Stock volatility, ETF rise drive rethink of post-flash crash U.S. rules

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IntercontinentalExchange Inc. (NYSE: ICE) Delayed: 152.59 -0.9 (0.59%)
Previous Close $153.49    52 Week High $287.02 
Open $152.93    52 Week Low $53.27 
Day High $154.00    P/E 20.02 
Day Low $151.23    EPS $7.62 
Volume 1,638,201       

NASDAQ OMX Group (NASDAQ: NDAQ) Delayed: 91.93 -0.34 (0.37%)
Previous Close $92.27    52 Week High $71.92 
Open $91.16    52 Week Low $54.62 
Day High $92.14    P/E 40.86 
Day Low $90.41    EPS $2.25 
Volume 3,123,933